CN218975918U

CN218975918U - PCB assembly with connector positioning column

Info

Publication number: CN218975918U
Application number: CN202223608588.8U
Authority: CN
Inventors: 黄盛谋
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-05
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a PCB assembly with a connector positioning column, which comprises a PCB board and a connector arranged on the PCB board; the connector is provided with a positioning column; the PCB is provided with a positioning hole for the positioning column to pass through; the positioning hole penetrates through the PCB; the positioning column comprises a guide section, a buckling section and an extension section; the length of the extension section is the same as the thickness of the PCB, and the diameter of the extension section is the same as the diameter of the positioning hole; any cross section diameter of the guide section is smaller than the diameter of the positioning hole; the diameter of the cross section of the buckling section is larger than the diameter of the positioning hole; compared with the prior art, the part of the buckle section, which exceeds the positioning hole, is arranged on the PCB outside the positioning hole, the positioning column is added at the lower end of the connector, the material is high-elasticity plastic, the connector can be prevented from being deflected slightly relative to the PCB in the PCB process by soldering tin of the connector, and the welding is deflected and poor conduction is caused. The connector can be fixed at the fixed position of the PCB by the positioning column, and the connector is particularly suitable for manual welding operation or high-speed transmission belt transmission without deviation.

Description

PCB assembly with connector positioning column

Technical Field

The utility model belongs to the field of PCB boards, and particularly relates to a PCB assembly with a connector positioning column.

Background

The existing pin connector with the positioning pins mainly comprises pin pins and plastic bodies, the pin pins penetrate through the plastic bodies, the bending ends of the pin pins are bent at 90 degrees, the positioning pins are arranged at the two ends of the lower bottom surface of the plastic bodies, the connector is well positioned in advance through the action of the positioning pins, and then the pin pins are conveniently welded, but the pin connector with the positioning pins is of a simple patch type structure, has low connection strength, is easy to separate in the repeated plugging and unplugging process, and has low reliability.

Another example is the patent: 202221787125.X discloses a board-to-board welded connector, its structure includes PCB board A, the connector, PCB board B and protection component, PCB board A top front end is equipped with the connector, the connector top is equipped with PCB board B, through having set up connector and two PCB boards and weld respectively, carry out welding position on embedding PCB board A with the reference column of insulating housing bottom both sides earlier, adopt the welding of different modes respectively with welded end and PCB board A, PCB board B and contact terminal.

Patent: 202222257243.6A double row pin connector comprises a plastic seat and a plurality of groups of terminals; the plurality of groups of terminals are inserted and fixed on the plastic seat, the plurality of groups of terminals comprise a first group of terminals, a second group of terminals and a third group of terminals, the first group of terminals and the second group of terminals are L-shaped terminals, and the third group of terminals are I-shaped terminals; the first group of terminals comprise first terminals, and the first terminals comprise first contact parts and first welding parts which are integrally connected; the first welding part is of a patch type welding structure; the second group of terminals comprises a second terminal, and the second terminal comprises a second contact part and a second welding part which are integrally connected; the second welding part is a pin welding part, the third group of terminals comprises a third terminal, and the third terminal comprises a third contact part and a third welding part which are integrally connected; the third welding part is of a patch type welding structure, so that the strength of the first group of terminals, the second group of terminals and the third group of terminals in connection with the PCB is ensured.

In summary, the existing connector is connected with the PCB, and the connector still moves, so that small deviation of the connector relative to the PCB occurs, and welding deviation and poor conduction occur; in the prior art, the connection and welding of the connector and the PCB are improved, but the prior positioning process lacks an effective positioning mode.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provide a PCB assembly with a connector positioning column, wherein the connector and a PCB can be fixed and is not easy to shift.

In order to solve the technical problems, the utility model adopts the technical method that: the utility model discloses a PCB assembly with a connector positioning column, which comprises a PCB board and a connector arranged on the PCB board; a positioning column is arranged on the connector; the PCB is provided with a positioning hole for the positioning column to pass through; the positioning hole penetrates through the PCB;

the positioning column comprises a guide section, a clamping section and an extension section; the length of the extension section is the same as the thickness of the PCB, and the diameter of the extension section is the same as the diameter of the positioning hole;

the diameter of any cross section of the guide section is smaller than the diameter of the positioning hole; the diameter of the cross section of the buckling section is larger than the diameter of the positioning hole; the part of the clamping section, which exceeds the positioning hole, is arranged on the PCB outside the positioning hole.

Further, the front end of the guide section is also provided with a flat head section; the radius of the section of the guide section is sequentially increased from top to bottom.

Further, a transition section is arranged between the guide section and the buckle section.

Further, the positioning column is detachably connected with the connector.

Further, the tail end of the positioning column is provided with a thread section; the connector is provided with a thread groove matched with the thread section.

Furthermore, the positioning column is made of high-elasticity plastic.

The beneficial effects are that:

compared with the prior art, the positioning column is added at the lower end of the connector, and the material is high-elasticity plastic, so that the connector can be prevented from small deviation relative to the PCB in the PCB soldering process, and poor conduction due to deviation of soldering. The connector can be fixed at the fixed position of the PCB by the positioning column, and the connector is particularly suitable for manual welding operation or high-speed transmission belt transmission without deviation.

Drawings

Fig. 1 is a schematic diagram of a connection state of a connector and a PCB board according to the present utility model;

FIG. 2 is a schematic diagram of a positioning column according to the present utility model;

fig. 3 is a schematic cross-sectional structure of a PCB board according to the present utility model;

FIG. 4 is a schematic view of the overall structure of the connector and the positioning column according to the present utility model;

fig. 5 is a schematic diagram of the overall structure of the connector and the PCB board according to the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 5, the connector comprises a PCB 3 and a connector 2 arranged on the PCB 3; the connector 2 is provided with a positioning column 1; the positioning column 1 is made of high-elasticity plastic; the PCB 3 is provided with a positioning hole 31 for the positioning column 1 to pass through; the positioning hole 31 penetrates through the PCB 3; the positioning column 1 is detachably connected with the connector 2. The tail end of the positioning column 1 is provided with a thread section 16; the connector 2 is provided with a thread groove matching the thread segments 16.

The positioning column 1 comprises a flat head section 11, a guide section 12, a clamping section 13 and an extension section 15; the length of the extension section 15 is the same as the thickness of the PCB 3, and the diameter of the extension section 15 is the same as the diameter of the positioning hole 31; the radius of the section of the guide section 12 increases from top to bottom in sequence; a transition section 14 is arranged between the guide section 12 and the buckling section 13.

Any cross-sectional diameter of the guide section 12 is smaller than the diameter of the positioning hole 31; the diameter of the cross section of the buckling section 13 is larger than that of the positioning hole 31; the part of the buckling section 13 beyond the positioning hole 31 is arranged on the PCB 3 outside the positioning hole 31.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A PCB assembly provided with connector positioning posts, characterized in that: comprises a PCB (3) and a connector (2) arranged on the PCB (3); a positioning column (1) is arranged on the connector (2); a positioning hole (31) for the positioning column (1) to pass through is formed in the PCB (3); the positioning hole (31) penetrates through the PCB (3);

the positioning column (1) comprises a guide section (12), a clamping section (13) and an extension section (15); the length of the extension section (15) is the same as the thickness of the PCB (3), and the diameter of the extension section (15) is the same as the diameter of the positioning hole (31);

any cross-sectional diameter of the guide section (12) is smaller than the diameter of the positioning hole (31); the diameter of the cross section of the clamping section (13) is larger than that of the positioning hole (31); the part of the clamping section (13) which exceeds the positioning hole (31) is arranged on the PCB (3) outside the positioning hole (31).

2. The PCB assembly provided with connector locator posts of claim 1, wherein: the front end of the guide section (12) is also provided with a flat head section (11); the section radius of the guide section (12) increases from top to bottom.

3. The PCB assembly provided with connector locator posts of claim 2, wherein: a transition section (14) is arranged between the guide section (12) and the buckling section (13).

4. The PCB assembly provided with connector locator posts of claim 2, wherein: the positioning column (1) is detachably connected with the connector (2).

5. The PCB assembly provided with connector locator posts of claim 4, wherein: the tail end of the positioning column (1) is provided with a thread section (16); the connector (2) is provided with a thread groove matched with the thread section (16).

6. The PCB assembly provided with connector locator posts according to any one of claims 1-5, wherein: the positioning column (1) is made of high-elasticity plastic.